NAME

         GO::Model::Seq - biological sequence

SYNOPSIS

           print $gene_product->seq->seq;

DESCRIPTION

       represents a biological sequence; uses the bioperl Bio::PrimarySeq class

       any call that you can do on a bioperl sequence object, you can do here, with the addition
       of the calls below

       to get bioperl, see http://www.bioperl.org

   pseq
         Usage   -
         Returns - Bio::PrimarySeq
         Args    -

   md5checksum
         Usage   - my $md5 = $seq->md5checksum() OR $seq->md5checksum($md5)
         Returns - 32 char hex string
         Args    - 32 char hex string [optional]

       checksum for seq - easy way to check if it has been changed etc

       (requires Digest::MD5 module from CPAN)

   to_fasta
         Usage   -
         Returns -
         Args    -

   add_xref
         - Usage : $term->add_xref($xref);
         - Args  : GO::Term::Xref